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![Chemical properties of WCO [14]](profile/A-M-Ali/publication/354251287/figure/tbl1/AS:1062911720058881@1630429310453/Chemical-properties-of-WCO-14_Q320.jpg)
Many academics have been looking for alternatives to asphalt binders, such as alternative binders for hot mix asphalt (HMA), as a result of increasing environmental restrictions and the rising expense of asphalt binders. The goal of this study was to investigate if bioasphalt might be used as a binder instead of petroleum-based asphalt. Mechanical...
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... virgin asphalt binder PEN 60/70 was used in this research. The control binder met the standards as shown in Table 4. The asphalt binder evaluation revealed that between the percentages of 0%, 1.5%, 3%, 4.5%, and 6%, the modified binder containing 1.5% and 3% WCO performed better than those containing the other percentages. ...Citations
With the rapid evolution of the pavement industry and growing traffic on roadways, construction materials have also evolved, with non-traditional materials increasingly being employed. The key motivation for using non-conventional components was the scarcity of natural resources and their high costs, which drove the trend toward using waste materials in asphalt pavement construction to achieve environmental sustainability. This paper aims to provide an overview of the effect of adding waste vegetable oil (WVO) to asphalt binders and asphalt concrete mixtures. The information was obtained from several Scopus database studies conducted over the period of 2005 to 2022 and was used to evaluate the performance of asphalt under different dosages of WVO. It was concluded that almost all the researchers reached an agreement that adding WVO to the asphalt reduces the softening point, viscosity, complex modulus, creep stiffness, the resistance to deformation, and elastic recovery quality of asphalt. On the other hand, it increases its penetration, ductility, phase angle, m value, stress relaxation characteristic, and thermal cracking resistance. For asphalt mixtures, it was found that adding WVO increases the flow value and Voids in Mineral Aggregate (VMA). In contrast, it reduces stability and the air voids in the mixture.
